A cascade speed control system mainly consists of a wound asynchronous motor, a three-phase rectifier and a three-phase thyristor (?) inverter.
2
直流电源柜:三相可控硅整流桥(SCR)、计算机数字脉冲触发板、平波电感、L、C滤波器等组成。
DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc.
3
该系统以可控硅三相桥式全控整流电路构成系统的主电路,采用同步信号为锯齿波的触发电路。
The thyristor triphase-bridge full controllable rectification circuit is taken as main circuit of the system and the trigger circuit with saw-tooth synchronism signal is adopted.